Transportation

Railways:
total: 699 km
standard gauge: 699 km 1.435-m gauge (233 km electrified)
note: a new 56-km line is under construction to the Bulgarian border (1999)

Highways:
total: 8,684 km
paved: 5,540 km (including 133 km of expressways)
unpaved: 3,144 km (1997 est.)

Waterways: none, lake transport only

Pipelines: 10 km

Ports and harbors: none

Airports: 16 (1999 est.)

Airports - with paved runways:
total: 10
2,438 to 3,047 m: 2
under 914 m: 8 (1999 est.)